Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pachycephalosaur

1 sense of pachycephalosaur

Sense 1
pachycephalosaur, pachycephalosaurus -- (bipedal herbivore having 10 inches of bone atop its head; largest boneheaded dinosaur ever found)
       => bone-headed dinosaur -- (bipedal herbivorous dinosaurs with bony crowns)